/Engine/Source/Runtime/AudioMixer/Public/Quartz/AudioMixerClockHandle.h
It can subscribe to Quantized Event & Metronome delegates to synchronize gameplay & VFX to Quartz events fired from the Audio Engine
class UQuartzClockHandle : public [UObject](API\Runtime\CoreUObject\UObject\UObject), public [FQuartzTickableObject](API\Runtime\Engine\Sound\FQuartzTickableObject)